Question 36 1 pts We make 1,300 bikes per year. Each bike needs a frame. We produce bike frames at a rate of 20 per day and use them at a rate of 5 per day. It costs $32 to setup the process for making bike frames, and it costs $13 to hold a bike frame for a year. What is the optimal batch size for bike frames? 63 O 71 O 84 O 92